BS 5295-1:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Environmental cleanliness in enclosed spaces Specification for clean rooms and clean air devices
Hardcopy , PDF
15-08-1999
English
29-09-1989
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Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Designation of environmental cleanliness
4 Air pressure
5 Filtration
6 Certification of compliance
Appendices
A Illustration of particulate content limits for
designated classes of environmental cleanliness
B Method of test for the determination of pressure
differences
C Method of test for the determination of filter
installation leaks
D Method of test for the determination of induction
leaks from construction joints
E Method of test for the determination of particulate
contamination by microscopic sizing and counting
Tables
1 Comparison with classes of 1976 edition
2 Requirements for controlled environment installations
3 Maximum permitted concentration for filter
installation leaks
4 Minimum challenge aerosol concentrations for
induction leak testing
5 Maximum permitted concentration for induction leaks
6 Factors and grid squares to be used in estimating
total particle counts
Figures
1 Maximum number of particles of a given particle size
for designated classes of environmental cleanliness
2 Calibration of the measuring eyepiece
3 Reduced unit area
Ten classes of environmental cleanliness according to level of particulate content. For industrial medical and pharmaceutical fields. Test methods for control of particulate content are given in appendices. See also PD 6609.
| Committee |
LBI/30
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 3406-7:1988 | Methods for determination of particle size distribution Recommendations for single particle light interaction methods |
| BS 5295-2:1976 | Environmental cleanliness in enclosed spaces Guide to the construction and installation of clean rooms, work stations and clean air devices |
| BS 3406-4:1963 | Methods for determination of particle size distribution Optical microscope method |
| BS 7011-1.1(1989) : 1989 | CONSUMABLE ACCESSORIES FOR LIGHT MICROSCOPES - IMMERSION OILS - SPECIFICATION FOR IMMERSION OILS FOR GENERAL USE |
| BS 7011-2.1:1989 | Consumable accessories for light microscopes. Slides. Specification for dimensions and optical properties |
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